public override async Task InitializeExchangePriceProcessingAsync()
{
// Bitflyer uses pubnub. This is a cloud based service which works with subscriptions.
pubnub = new Pubnub(null, this.Exchange.GetSetting("PubNubKey"));
// Just in case you have problem, just remove these comments.
//m.SetPubnubLog(new PubNubConsole());
//m.SetInternalLogLevel(LoggingMethod.Level.Verbose);
subsribedProducts = this.tradingPairs.ToDictionary(x => "lightning_ticker_" + x.Value.TradePair.FromCurrency.Code + "_" + x.Value.TradePair.ToCurrency.Code, y => y.Value);
// Loop through each product and subscribe it.
foreach (var product in subsribedProducts)
{
pubnub.Subscribe <string>(product.Key, (data) =>
{
try
{
// Get JSON array and extract product, time and last trade price.
dynamic dynObj = Newtonsoft.Json.Linq.JArray.Parse(data);
string productName = dynObj[0].product_code.Value;
DateTime utcTime = dynObj[0].timestamp.Value;
double lasttradeprice = dynObj[0].ltp.Value;
Task.Run(() => this.NotifyObserverOfPriceChange(product.Value, (decimal)lasttradeprice, utcTime));
}
catch (Exception ex)
{
Console.WriteLine(ex);
}
//System.Console.WriteLine($"product: {product} / ltp: {lasttradeprice} / time : {utcTime} ");
}, (data) => { }, (err) => System.Console.WriteLine(err.Description));
}
// We're not doing async. We just want the warning to be gone.
await Task.Run(() => { });
}
static public void Main()
{
PubnubProxy proxy = null;
Console.WriteLine("HINT: TO TEST RE-CONNECT AND CATCH-UP,");
Console.WriteLine(" DISCONNECT YOUR MACHINE FROM NETWORK/INTERNET AND ");
Console.WriteLine(" RE-CONNECT YOUR MACHINE AFTER SOMETIME.");
Console.WriteLine();
Console.WriteLine(" IF NO NETWORK BEFORE MAX RE-TRY CONNECT,");
Console.WriteLine(" NETWORK ERROR MESSAGE WILL BE SENT");
Console.WriteLine();
Console.WriteLine("ENTER Channel Name");
channel = Console.ReadLine();
Console.WriteLine(string.Format("Channel = {0}", channel));
Console.WriteLine();
Console.WriteLine("Enable SSL? ENTER Y for Yes, else N");
string enableSSL = Console.ReadLine();
if (enableSSL.Trim().ToLower() == "y")
{
Console.WriteLine("SSL Enabled");
}
else
{
Console.WriteLine("SSL NOT Enabled");
}
Console.WriteLine();
Console.WriteLine("ENTER cipher key for encryption feature.");
Console.WriteLine("If you don't want to avail at this time, press ENTER.");
string cipheryKey = Console.ReadLine();
if (cipheryKey.Trim().Length > 0)
{
Console.WriteLine("Cipher key provided.");
}
else
{
Console.WriteLine("No Cipher key provided");
}
Console.WriteLine();
pubnub = new Pubnub("demo", "demo", "", cipheryKey,
(enableSSL.Trim().ToLower() == "y") ? true : false);
Console.WriteLine("Use Custom Session UUID? ENTER Y for Yes, else N");
string enableCustomUUID = Console.ReadLine();
if (enableCustomUUID.Trim().ToLower() == "y")
{
Console.WriteLine("ENTER Session UUID.");
string sessionUUID = Console.ReadLine();
pubnub.SessionUUID = sessionUUID;
Console.WriteLine("Accepted Custom Session UUID.");
}
else
{
Console.WriteLine("Default Session UUID opted.");
}
Console.WriteLine();
Console.WriteLine("Proxy Server exists? ENTER Y for Yes, else N");
string enableProxy = Console.ReadLine();
if (enableProxy.Trim().ToLower() == "y")
{
bool proxyAccepted = false;
while (!proxyAccepted)
{
Console.WriteLine("ENTER proxy server name or IP.");
string proxyServer = Console.ReadLine();
Console.WriteLine("ENTER port number of proxy server.");
string proxyPort = Console.ReadLine();
int port;
Int32.TryParse(proxyPort, out port);
Console.WriteLine("ENTER user name for proxy server authentication.");
string proxyUsername = Console.ReadLine();
Console.WriteLine("ENTER password for proxy server authentication.");
string proxyPassword = Console.ReadLine();
proxy = new PubnubProxy();
proxy.ProxyServer = proxyServer;
proxy.ProxyPort = port;
proxy.ProxyUserName = proxyUsername;
proxy.ProxyPassword = proxyPassword;
try
{
pubnub.Proxy = proxy;
proxyAccepted = true;
Console.WriteLine("Proxy details accepted");
}
catch (MissingFieldException mse)
{
Console.WriteLine(mse.Message);
Console.WriteLine("Please RE-ENTER Proxy Server details.");
}
}
}
else
{
Console.WriteLine("No Proxy");
}
Console.WriteLine();
Console.WriteLine("ENTER 1 FOR Subscribe (not implementing connectCallback)");
Console.WriteLine("ENTER 2 FOR Subscribe (implementing connectCallback)");
Console.WriteLine("ENTER 3 FOR Publish");
Console.WriteLine("ENTER 4 FOR Presence");
Console.WriteLine("ENTER 5 FOR Detailed History");
Console.WriteLine("ENTER 6 FOR Here_Now");
Console.WriteLine("ENTER 7 FOR Unsubscribe");
Console.WriteLine("ENTER 8 FOR Presence-Unsubscribe");
Console.WriteLine("ENTER 9 FOR Time");
Console.WriteLine("ENTER 0 FOR EXIT OR QUIT");
bool exitFlag = false;
Console.WriteLine("");
while (!exitFlag)
{
string userinput = Console.ReadLine();
switch (userinput)
{
case "0":
exitFlag = true;
pubnub.EndPendingRequests();
break;
case "1":
Console.WriteLine("Running subscribe() (not implementing connectCallback)");
pubnub.Subscribe <string>(channel, DisplayReturnMessage);
break;
case "2":
Console.WriteLine("Running subscribe() (implementing connectCallback)");
pubnub.Subscribe <string>(channel, DisplayReturnMessage, DisplayConnectStatusMessage);
break;
case "3":
Console.WriteLine("Running publish()");
Console.WriteLine("Enter the message for publish. To exit loop, enter QUIT");
string publishMsg = Console.ReadLine();
double doubleData;
int intData;
if (int.TryParse(publishMsg, out intData)) //capture numeric data
{
pubnub.Publish <string>(channel, intData, DisplayReturnMessage);
}
else if (double.TryParse(publishMsg, out doubleData)) //capture numeric data
{
pubnub.Publish <string>(channel, doubleData, DisplayReturnMessage);
}
else
{
//check whether any numeric is sent in double quotes
if (publishMsg.IndexOf("\"") == 0 && publishMsg.LastIndexOf("\"") == publishMsg.Length - 1)
{
string strMsg = publishMsg.Substring(1, publishMsg.Length - 2);
if (int.TryParse(strMsg, out intData))
{
pubnub.Publish <string>(channel, strMsg, DisplayReturnMessage);
}
else if (double.TryParse(strMsg, out doubleData))
{
pubnub.Publish <string>(channel, strMsg, DisplayReturnMessage);
}
else
{
pubnub.Publish <string>(channel, publishMsg, DisplayReturnMessage);
}
}
else
{
pubnub.Publish <string>(channel, publishMsg, DisplayReturnMessage);
}
}
break;
case "4":
Console.WriteLine("Running presence()");
pubnub.Presence <string>(channel, DisplayReturnMessage);
break;
case "5":
Console.WriteLine("Running detailed history()");
pubnub.DetailedHistory <string>(channel, 100, DisplayReturnMessage);
break;
case "6":
Console.WriteLine("Running Here_Now()");
pubnub.HereNow <string>(channel, DisplayReturnMessage);
break;
case "7":
Console.WriteLine("Running unsubscribe()");
pubnub.Unsubscribe <string>(channel, DisplayReturnMessage);
break;
case "8":
Console.WriteLine("Running presence-unsubscribe()");
pubnub.PresenceUnsubscribe <string>(channel, DisplayReturnMessage);
break;
case "9":
Console.WriteLine("Running time()");
pubnub.Time <string>(DisplayReturnMessage);
break;
default:
Console.WriteLine("INVALID CHOICE.");
break;
}
}
Console.WriteLine("\nPress any key to exit.\n\n");
Console.ReadLine();
}
protected override void OnCreate(Bundle bundle)
{
base.OnCreate(bundle);
/*if (ApplicationContext.Resources.Configuration.ScreenLayout = Android.Content.Res.ScreenLayout.SizeLarge) {
* SetContentView (Resource.Layout.Mainlarge);
* } else {*/
//}
//Build.VERSION.Sdk
SetContentView(Resource.Layout.Main);
string channelName = Intent.GetStringExtra("Channel");
channel = channelName;
bool enableSSL = Convert.ToBoolean((Intent.GetStringExtra("SslOn")));
string cipher = (Intent.GetStringExtra("Cipher"));
string ssl = "";
if (enableSSL)
{
ssl = ", SSL";
}
if (!String.IsNullOrWhiteSpace(cipher))
{
cipher = ", Cipher";
}
string head = String.Format("Channel: {0}{1}{2}", channelName, ssl, cipher);
pubnub = LaunchScreen.pubnub;
//pubnub = new Pubnub ("demo", "demo", "", cipher, enableSSL);
Title = head;
Button btnSubscribe = FindViewById <Button> (Resource.Id.btnSubscribe);
btnSubscribe.Click += delegate { Subscribe(); };
Button btnCancel = FindViewById <Button> (Resource.Id.btnCancel);
btnCancel.Click += delegate { pubnub.EndPendingRequests(); Finish(); };
Button btnPresence = FindViewById <Button> (Resource.Id.btnPresence);
btnPresence.Click += delegate { Presence(); };
Button btnPublish = FindViewById <Button> (Resource.Id.btnPublish);
btnPublish.Click += delegate { Publish(); };
Button btnHereNow = FindViewById <Button> (Resource.Id.btnHereNow);
btnHereNow.Click += delegate { HereNow(); };
Button btnDetailedHis = FindViewById <Button> (Resource.Id.btnDetailedHis);
btnDetailedHis.Click += delegate { DetailedHistory(); };
Button btnTime = FindViewById <Button> (Resource.Id.btnTime);
btnTime.Click += delegate { GetTime(); };
Button btnUnsub = FindViewById <Button> (Resource.Id.btnUnsub);
btnUnsub.Click += delegate { Unsub(); };
Button btnUnsubPres = FindViewById <Button> (Resource.Id.btnUnsubPres);
btnUnsubPres.Click += delegate { UnsubPresence(); };
}
